Apps with 'Authentication' feature

Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.

Bitwarden Authenticator generates verification codes for two-factor authentication, ensuring your identity is verified when you log into accounts.

2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.

Manage and secure two-factor authentication easily across Gmail, Dropbox, and more. Sync devices, secure backups, and enjoy offline access.

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.

Open Source realtime backend in 1 file.

Open-source SSO provider for self-hosted apps with passkey support, user invites, self-registration, strong privacy, admin ease, and local management.

Google Authenticator generates 2-Step Verification codes on your phone.

FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols with support for Android (6 or later) and iOS (11 or later). Tokens can be added easily by scanning a QR-code or by manually entering in the token configuration.

Open-source application server with type-safe APIs, real-time data, JS runtime, and intuitive admin UI built on Rust, SQLite, and V8.

Open Source Identity and Access Management for modern Applications and Services.

Firebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.

A multi-protocol, highest assurance security key offering passwordless workflows and strongest 2FA against phishing, protecting devices efficiently.

Secure open-source backend server for web and mobile developers. Appwrite provides developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.

Bknd is a lightweight, infrastructure-agnostic backend system that runs in any JavaScript environment. It provides an instant backend with a full REST API, authentication, database management, media handling, and workflows.

Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.

Secure authentication management for your application. Customize as you grow, with easy APIs and programmable workflows. Focus on growing, your login is in good hands.

Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone.

OpenID is an easy and safe way for people to reuse an existing account and user profile from an identity provider, for example Apple, Google, or Microsoft to sign-in to any OpenID-enabled applications and websites without creating a new registration and password.

AuthKit is a Radix-powered open source authentication UI built for effortless customizations. User Management is the backend platform handling email verification, account linking, bot blocking, organization modeling, and more.

Hanko is a modern open source Authentication & User Management system – built and hosted in the EU. Alternative to Clerk, Auth0, Stytch, Descope.

Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.

Secure and Easy Self-hosted platform. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot).

Stack is an open-source, self-hostable, and highly customizable authentication and user management system.

Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.